专利名称：Remote displacement measurement device 发明人：HISADA YASUMASA，久田 安正,KUSAMA
multimillionaire
SATORU，草間 哲,TSUTSUMI JUJI，堤 勇
二,AKIBA TOSHIKATSU，秋葉 敏克
申请号：JP特願平2-17962
申请日：19900130
公开号：JP第2755762号B2
公开日：
19980525
专利内容由知识产权出版社提供
摘要：PURPOSE:To realize a remote displacement measuring apparatus which can perform highly accurate measurement of the amount of displacement by projecting two light beams on a reflecting member, and detecting the two-dimensional displacement in the direction within the surface of a reflecting mirror and the displacement in the orthogonal direction with respect to the surface. CONSTITUTION:A plurality of reflecting members 11 are arranged on a reflecting mirror 10 such as an antenna reflecting mirror for the space. Beam-shaped light from a light source 13 is made to be two light beams through a beam splitter 14 and a variable mirror 20 so that the projecting angles of the beams are different. The two light beams are inputted into the specified reflecting member 11 through a half mirror 15, a scanning mirror 16 and a reflecting mechanism 17. The two light beams which are inputted into the reflecting member 11 are reflected in the directions in parallel with the incident light beams, respectively. The light beams are inputted into a two-dimensional optical nsor 19 through the reflecting mechanism 17, the scanning mirror 16 and the half mirror 15 again. The po
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sitions of the two reflected light beams which are inputted into the two-dimensional optical nsor 19 are changed
by the position of the reflecting member 11. Even if the reflecting mirror 10 is displaced by the effect of thermal strain and the like, the displacements in the direction within the surface of the reflecting mirror 10 and the direction orthogonal to the surface can be detected bad on the positions of the light beams detected with the two-dimensional optical nsor 19.
申请人：UCHU KAIHATSU JIGYODAN，宇宙開発事業団,TOSHIBA KK，株式会社東芝
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地址：東京都港区浜松町2丁目4番1号，神奈川県川崎市幸区堀川町72番地
国籍：JP,JPpostscript
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代理人：鈴江 武彦 (外3名)四级英语成绩>美国总统演讲
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